Finding the Fourth Proportional to 741,716.99, 1,118,134.67 and 692,281.37
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Solution
The fourth proportional to 741,716.99, 1,118,134.67 and 692,281.37 is: 1,043,610.71
Step by Step Solution
- Step 1: Write the proportion equation
741,716.99 : 1,118,134.67 = 692,281.37 : x - Step 2: Convert to fraction form
741,716.99/1,118,134.67 = 692,281.37/x - Step 3: Cross multiply
741,716.99x = 1,118,134.67 × 692,281.37 - Step 4: Simplify right side
741,716.99x = 774,063,792,140.02 - Step 5: Solve for x
x = 774,063,792,140.02/741,716.99 - Step 6: Final answer
x = 1,043,610.71
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.